Texas Instruments Evaluation Module for TPS54428 TPS54428EVM-052 TPS54428EVM-052 数据表

产品代码
TPS54428EVM-052
下载
页码 20
User
'
s Guide
SLVU578
December 2011
TPS54428, 4-A, SWIFT
Regulator Evaluation Module
This user's guide contains information for the TPS54428 as well as support documentation for the
TPS54428EVM-052 evaluation module. Included are the performance specifications, schematic, and the
bill of materials of the TPS54428EVM-052 evaluation module.
Contents
1
Introduction
..................................................................................................................
2
Performance Specification Summary
.....................................................................................
3
Modifications
.................................................................................................................
3.1
Output Voltage Setpoint
...........................................................................................
3.2
Output Filter and Closed-Loop Response
......................................................................
4
Test Setup and Results
....................................................................................................
4.1
Input/Output Connections
.........................................................................................
4.2
Start-Up Procedure
................................................................................................
4.3
Efficiency
............................................................................................................
4.4
Load Regulation
....................................................................................................
4.5
Line Regulation
.....................................................................................................
4.6
Frequency
...........................................................................................................
4.7
Load Transient Response
........................................................................................
4.8
Output Voltage Ripple
.............................................................................................
4.9
Input Voltage Ripple
...............................................................................................
4.10
Start-Up and Shut-Down
........................................................................................
5
Board Layout
...............................................................................................................
5.1
Layout
..............................................................................................................
6
Schematic, Bill of Materials, and Reference
...........................................................................
6.1
Schematic
.........................................................................................................
6.2
Bill of Materials
....................................................................................................
6.3
Reference
..........................................................................................................
List of Figures
1
TPS54428EVM-052 Efficiency
............................................................................................
2
TPS54428EVM-052 Light-Load Efficiency
...............................................................................
3
TPS54428EVM-052 Load Regulation, V
IN
= 5 V and V
IN
= 12 V
.....................................................
4
TPS54428EVM-052 Line Regulation
.....................................................................................
5
TPS54428EVM-52 Frequency
............................................................................................
6
TPS54428EVM-052 Load Transient Response, 1 A to 3 A
...........................................................
7
TPS54428EVM-052 Load Transient Response, 0.01 A to 2 A
.......................................................
8
TPS54428EVM-052 Output Voltage Ripple
.............................................................................
9
TPS54428EVM-052 Eco-mode
Output Voltage Ripple
.............................................................
10
TPS54428EVM-052 Eco-mode
Output Voltage Ripple at No Load
...............................................
11
TPS54428EVM-052 Input Voltage Ripple
...............................................................................
12
TPS54428EVM-052 Start-Up Relative to V
IN
..........................................................................
13
TPS54428EVM-052 Shut-down Relative to V
IN
........................................................................
14
TPS54428EVM-052 Start-Up Relative to EN
..........................................................................
SWIFT, Eco-mode, D-CAP2 are trademarks of Texas Instruments.
1
SLVU578
December 2011
TPS54428, 4-A, SWIFT
Regulator Evaluation Module
Copyright
©
2011, Texas Instruments Incorporated